substituion is achieved through differentiation --> dfferentiate to such an extent that there is no competition 找到了一个独特的空白生态位 [[成为霸主要找到独特的生态位发展独特的器官]] --- in the case of education: We cant never change the education industry. It is there for such a long time and for various reasons unrelated to education. But we can always change the frontier innovative private education models. We can at least start by changing the UWC Education. 不要推翻，不要改革，不要竞争；而要创新，而要区分，而要取代